79157387910 has 16 divisors (see below), whose sum is σ = 189977731056. Its totient is φ = 21108636768.

The previous prime is 79157387891. The next prime is 79157387993. The reversal of 79157387910 is 1978375197.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319289769 + ... + 1319289828.

It is an arithmetic number, because the mean of its divisors is an integer number (11873608191).

Almost surely, 2^79157387910 is an apocalyptic number.

79157387910 is an abundant number, since it is smaller than the sum of its proper divisors (110820343146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79157387910 is a wasteful number, since it uses less digits than its factorization.

79157387910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638579607.

The product of its (nonzero) digits is 3333960, while the sum is 57.

The spelling of 79157387910 in words is "seventy-nine billion, one hundred fifty-seven million, three hundred eighty-seven thousand, nine hundred ten".